package com.example.homework_weather
import android.content.Intent
import android.os.Bundle
import android.util.Log
import android.widget.ArrayAdapter
import android.widget.ListView
import androidx.activity.enableEdgeToEdge
import androidx.appcompat.app.AppCompatActivity
import androidx.core.view.ViewCompat
import androidx.core.view.WindowInsetsCompat
import com.example.homework_weather.Weather.Weather
import com.google.gson.Gson
import com.google.gson.reflect.TypeToken
import java.io.BufferedReader
import java.io.InputStreamReader
import kotlin.concurrent.thread

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        enableEdgeToEdge()
        setContentView(R.layout.activity_main)
        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
            insets
        }

        thread {
            val listView: ListView = findViewById(R.id.listView)

            val str = readFileFromRaw(R.raw.citycode)
            val gson = Gson()
            val CityType = object : TypeToken<List<City>>() {}.type
            var cities: List<City> = gson.fromJson(str, CityType)
            cities = cities.filter { it.city_code.isNotEmpty() }

            runOnUiThread {
                val adapter = ArrayAdapter(this, android.R.layout.simple_list_item_1, cities)
                listView.adapter = adapter
                listView.setOnItemClickListener { _, _, position, _ ->
                    val cityCode = cities[position].city_code
                    val intent = Intent(this, MainActivity2::class.java)
                    intent.putExtra("cityCode", cityCode)
                    startActivity(intent)
                }
            }


            Log.d("MainActivity", "$cities")
        }

    }

    fun readFileFromRaw(rawName: Int): String? {
        try {
            val inputReader = InputStreamReader(resources.openRawResource(rawName))
            val bufReader = BufferedReader(inputReader)
            var line: String? = ""
            var result: String? = ""
            while (bufReader.readLine().also { line = it } != null) {
                result += line
            }
            return result
        } catch (e: Exception) {
            e.printStackTrace()
        }
        return ""
    }
}